best book cover design, glowing silver and golden elements, full close-up portrait of realistic eagle with sapphires, book cover, emerald gem forest, white diamond moon, establishing shot, extremely high detail, photo-realistic, cinematic lighting, by yoshitaka amano, ruan jia, kentaro miura, artgerm, post processed, concept art, artstation, matte painting, style by eddie mendoza, raphael lacoste, alex ross